Home / 122,712.06-184,067.64-38,478.54

Finding the Fourth Proportional to 122,712.06, 184,067.64 and 38,478.54

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Solution

The fourth proportional to 122,712.06, 184,067.64 and 38,478.54 is: 57,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,712.06 : 184,067.64 = 38,478.54 : x
  2. Step 2: Convert to fraction form
    122,712.06/184,067.64 = 38,478.54/x
  3. Step 3: Cross multiply
    122,712.06x = 184,067.64 × 38,478.54
  4. Step 4: Simplify right side
    122,712.06x = 7,082,654,048.45
  5. Step 5: Solve for x
    x = 7,082,654,048.45/122,712.06
  6. Step 6: Final answer
    x = 57,717.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.